Biology
A group of which insects is called an army or a colony?
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What insect looks like a twig on a branch, bush or tree?
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In what season do the leaves of some trees turn colors and start falling to the ground?
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What is the name of the tube that carries blood to the heart?
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What is the study of interrelationships of animals and plants to their environment?
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Which famous scientist introduced the idea of natural selection?
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Bacterial infections in humans can be treated with what?
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What are the thin bones that protect your lungs and heart?
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What is the name of the machine that separates blood?
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Which of these organs can grow back if some of it is removed?
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Which of the following is not a type of blood group?
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Now extinct, what shark is thought to have been the largest ever on Earth?
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